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Cain, Sean W.; Silva, Edward J.; Chang, Anne-Marie; Ronda, Joseph M.; Duffy, Jeanne F. – Brain and Cognition, 2011
The Stroop color-naming task is one of the most widely studied tasks involving the inhibition of a prepotent response, regarded as an executive function. Several studies have examined performance on versions of the Stroop task under conditions of acute sleep deprivation. Though these studies revealed effects on Stroop performance, the results…
Descriptors: Reaction Time, Sleep, Color, Cues
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Sasaki, Hitoshi; Morimoto, Akiko; Nishio, Akira; Matsuura, Sumie – Brain and Cognition, 2007
Three experiments were carried out to investigate hemispheric asymmetry in color processing among normal participants. In Experiment 1, it was shown that the reaction times (RTs) of the dominant and non-dominant hands assessed using a visual target presented at the central visual field, were not significantly different. In Experiment 2, RTs of…
Descriptors: Brain Hemisphere Functions, Color, Brain, Visual Perception
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Maehara, Goro; Okubo, Matia; Michimata, Chikashi – Brain and Cognition, 2004
Participants were required to detect spot stimuli briefly presented to the upper, central, or lower visual fields. The stimuli were presented either on a green or a red background. Results showed that reaction time (RT) was shorter for the lower visual field (LVF) compared to the upper visual field (UVF). Furthermore, this LVF advantage was…
Descriptors: Visual Stimuli, Color, Visual Environment, Reaction Time
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Cagigas, Xavier E.; Vincent Filoteo, J.; Stricker, John L.; Rilling, Laurie M.; Friedrich, Frances J. – Brain and Cognition, 2007
Parkinson's disease (PD) patients and healthy controls were administered a flanker task that consisted of the presentation of colored targets and distractors. Participants were required to attend to the center target and identify its color. The stimulus displays were either congruent (i.e., the target and flankers were the same color) or…
Descriptors: Patients, Intervals, Diseases, Reaction Time